HR Generalist

Atos; Warszawa; On-site; PLN 120,000 - 180,000; Full time

Job summary

Bull is seeking an HR Generalist to join its Human Resources team in Poland. You will manage the employee lifecycle, ensure HR processes comply with labor laws, and partner with payroll providers, managers, and authorities to support payroll coordination and HR operations.

You will administer absences, leaves, benefits, and engagement initiatives, while advising employees on policies and compliance. Fluent English is required; international environment expected.

Qualifications

• Bachelor's degree in Human Resources, Psychology, Law, or a related field.
• Minimum 3 years of HR Generalist or HR Operations experience within an international organization.
• Fluent English, written and spoken.

Responsibilities

• Manage employee lifecycle processes, including hiring, employment changes, and terminations, ensuring accurate HR documentation and records.
• Administer employee absences and working time, including sick leave, maternity leave, paternity leave, and other statutory leave entitlements.
• Coordinate payroll activities by preparing, validating, and submitting employee data, compensation changes, bonuses, and absence information to the external payroll provider.
• Administer employee benefits, recognition programs, and engagement initiatives.
• Provide guidance to employees and managers on HR policies, employment legislation, and HR-related matters.
• Coordinate communication with external vendors, government authorities, and regulatory bodies regarding employment and social security matters.
• Ensure compliance with labor legislation, data privacy requirements, internal procedures, and agreed SLAs while contributing to continuous HR process improvement.
• Prepare HR reports, maintain accurate employee data, and support business decision-making through HR analytics.

Skills

HR administration

Payroll processes

Employment legislation

Communication

Stakeholder management

Microsoft Office

HR systems

Education

Bachelor's degree in Human Resources/PSY/LAW or related field

Tools

SuccessFactors

Microsoft Office

Job description

Bull is a story. One with a century of European innovation and a working environment where experts design powerful, sustainable, and sovereign digital solutions, enabling states and industries to retain full control over their data and their AI.

Bull is also thousands of engineers, researchers and passionate tech people shaping the future of high‑performance computing, AI, and quantum technologies.

Every day, our teams push the boundaries of what is technologically possible – from next‑generation HPC architectures to exascale supercomputers – supported by world‑class R&D, more than 1,600 patents, and unique end‑to‑end capabilities spanning hardware design, software engineering, data science and quantum research.

We are a people‑centric, innovation‑driven company, where collaboration spans Europe, the Americas and India. We share a common vision of a responsible and sustainable innovation that delivers concrete impact for our customers.

We are looking for an HR Generalist to join Bull’s Human Resources team.

The HR Generalist is responsible for managing the employee lifecycle, ensuring HR processes are delivered accurately and in compliance with labor legislation, internal policies, and service level agreements (SLAs). The role partners closely with employees, managers, external payroll providers, and authorities to support HR operations, payroll coordination, compliance, and employee programs.

Responsibilities

• Manage employee lifecycle processes, including hiring, employment changes, and terminations, ensuring accurate HR documentation and records.
• Administer employee absences and working time, including sick leave, maternity leave, paternity leave, and other statutory leave entitlements.
• Coordinate payroll activities by preparing, validating, and submitting employee data, compensation changes, bonuses, and absence information to the external payroll provider.
• Administer employee benefits, recognition programs, and engagement initiatives.
• Provide guidance to employees and managers on HR policies, employment legislation, and HR‑related matters.
• Coordinate communication with external vendors, government authorities, and regulatory bodies regarding employment and social security matters.
• Ensure compliance with labor legislation, data privacy requirements, internal procedures, and agreed SLAs while contributing to continuous HR process improvement.
• Prepare HR reports, maintain accurate employee data, and support business decision‑making through HR analytics.

Experience & Education

• Bachelor's degree in Human Resources, Psychology, Law, or a related field.
• Minimum 3 years of relevant HR Generalist or HR Operations experience within an international organization.
• Fluent English, written and spoken.

Competences & Skills

• Solid understanding of HR administration, employment legislation, and payroll processes.
• Strong organizational skills and attention to detail.
• Excellent communication and stakeholder management skills.
• Proficiency in Microsoft Office.
• Experience with HR systems; SuccessFactors Employee Central is a strong advantage.
• Ability to work effectively in a global and multicultural environment.
• High level of confidentiality and professionalism.

Location

Poland

What We Offer

• A dynamic and multicultural work environment.
• The opportunity to contribute to HR operations within a global organization.
• Professional development opportunities and long‑term career growth.
• A collaborative team culture built on trust, expertise, and mutual support.

Here, your ideas, your curiosity and your technical excellence directly shape the next era of advanced computing - unlocking enterprise value, accelerating scientific progress and driving positive impact for society.